3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
11 package eu
.etaxonomy
.taxeditor
.bulkeditor
.referencingobjects
;
13 import java
.util
.ArrayList
;
14 import java
.util
.Collections
;
15 import java
.util
.Comparator
;
16 import java
.util
.List
;
19 import org
.apache
.log4j
.Logger
;
20 import org
.eclipse
.core
.runtime
.IProgressMonitor
;
21 import org
.eclipse
.core
.runtime
.IStatus
;
22 import org
.eclipse
.core
.runtime
.Status
;
23 import org
.eclipse
.core
.runtime
.jobs
.Job
;
24 import org
.eclipse
.jface
.viewers
.ISelection
;
25 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
26 import org
.eclipse
.jface
.viewers
.TableViewer
;
27 import org
.eclipse
.jface
.viewers
.TableViewerColumn
;
28 import org
.eclipse
.jface
.viewers
.Viewer
;
29 import org
.eclipse
.swt
.SWT
;
30 import org
.eclipse
.swt
.widgets
.Composite
;
31 import org
.eclipse
.swt
.widgets
.Display
;
32 import org
.eclipse
.swt
.widgets
.Table
;
33 import org
.eclipse
.ui
.ISelectionListener
;
34 import org
.eclipse
.ui
.IWorkbenchPart
;
36 import eu
.etaxonomy
.cdm
.api
.conversation
.ConversationHolder
;
37 import eu
.etaxonomy
.cdm
.api
.service
.ICommonService
;
38 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
39 import eu
.etaxonomy
.cdm
.model
.common
.IdentifiableEntity
;
40 import eu
.etaxonomy
.taxeditor
.bulkeditor
.BulkEditor
;
41 import eu
.etaxonomy
.taxeditor
.model
.DescriptionHelper
;
42 import eu
.etaxonomy
.taxeditor
.model
.LineSelection
;
43 import eu
.etaxonomy
.taxeditor
.store
.CdmStore
;
44 import eu
.etaxonomy
.taxeditor
.view
.AbstractCdmViewPart
;
47 * <p>ReferencingObjectsView class.</p>
53 public class ReferencingObjectsView
extends AbstractCdmViewPart
implements ISelectionListener
{
54 private static final Logger logger
= Logger
55 .getLogger(ReferencingObjectsView
.class);
57 /** Constant <code>ID="eu.etaxonomy.taxeditor.bulkeditor.refer"{trunked}</code> */
58 public static final String ID
= "eu.etaxonomy.taxeditor.bulkeditor.view.referencingobjects";
60 private TableViewer viewer
;
62 private CdmBase referencedObject
;
65 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
69 public void createViewer(Composite parent
) {
70 selectionService
.addSelectionListener(this);
72 viewer
= new TableViewer(parent
, SWT
.MULTI
| SWT
.H_SCROLL
73 | SWT
.V_SCROLL
| SWT
.FULL_SELECTION
);
74 createColumns(viewer
);
75 viewer
.setContentProvider(new ReferencingObjectsContentProvider());
76 viewer
.setLabelProvider(new ReferencingObjectsLabelProvider());
77 // viewer.setInput(new ArrayList<CdmBase>());
81 * Create the columns for the table
84 private void createColumns(TableViewer viewer
) {
85 Table table
= viewer
.getTable();
86 String
[] titles
= {"Class", "Description", "UUID", "Object ID" };
87 int[] bounds
= { 100, 200, 100, 70};
89 for (int i
= 0; i
< titles
.length
; i
++) {
90 TableViewerColumn column
= new TableViewerColumn(viewer
, SWT
.NONE
);
91 column
.getColumn().setText(titles
[i
]);
92 column
.getColumn().setWidth(bounds
[i
]);
93 column
.getColumn().setResizable(true);
94 column
.getColumn().setMoveable(true);
96 table
.setHeaderVisible(true);
97 table
.setLinesVisible(true);
101 * <p>updateReferencingObjects</p>
103 * @param entity a {@link eu.etaxonomy.cdm.model.common.IdentifiableEntity} object.
105 public void updateReferencingObjects(final IdentifiableEntity entity
) {
107 final Display display
= Display
.getCurrent();
109 Job job
= new Job("Update Referencing Objects") {
112 protected IStatus
run(IProgressMonitor monitor
) {
113 monitor
.beginTask("Calculating referencing objects", 10);
117 display
.asyncExec(new Runnable() {
121 ConversationHolder conversation
= CdmStore
.createConversation();
122 List
<CdmBase
> referencingObjects
= getReferencingObjects(entity
);
123 updateView(referencingObjects
);
124 conversation
.close();
131 return Status
.OK_STATUS
;
135 job
.setPriority(Job
.DECORATE
);
139 private List
<CdmBase
> getReferencingObjects(Object entity
) {
141 if(entity
instanceof CdmBase
){
142 referencedObject
= (CdmBase
) entity
;
143 Set
<CdmBase
> setOfReferencingObjects
= CdmStore
.getService(ICommonService
.class).getReferencingObjects(referencedObject
);
145 List
<CdmBase
> referencingObjects
= new ArrayList
<CdmBase
>(setOfReferencingObjects
);
147 Collections
.sort(referencingObjects
, new ReferencingClassComparator());
149 return referencingObjects
;
151 } catch (Exception e
) {
152 logger
.error("Error retrieving referencing objects", e
);
157 class ReferencingClassComparator
implements Comparator
<CdmBase
> {
160 * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
162 public int compare(CdmBase o1
, CdmBase o2
) {
163 String string1
= o1
.getClass().getSimpleName();
164 String string2
= o2
.getClass().getSimpleName();
165 int classCompare
= string1
.compareToIgnoreCase(string2
);
166 if (classCompare
== 0) {
167 string1
= DescriptionHelper
.getObjectDescription(o1
);
168 string2
= DescriptionHelper
.getObjectDescription(o2
);
169 return string1
.compareToIgnoreCase(string2
);
179 private void updateView(List
<CdmBase
> referencingObjects
) {
180 viewer
.setInput(referencingObjects
);
181 setContentDescription("'" + referencedObject
+ "' is referenced by:");
186 public void selectionChanged(IWorkbenchPart part
, ISelection selection
) {
187 if(! (part
instanceof BulkEditor
)){
188 setContentDescription("");
193 if(! (selection
instanceof LineSelection
)){
196 LineSelection lineSelection
= (LineSelection
) selection
;
198 if(lineSelection
.size() != 1){
202 if(! (lineSelection
.getFirstElement() instanceof IdentifiableEntity
)){
206 showViewer(part
, lineSelection
);
210 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#showViewer(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
214 public void showViewer(IWorkbenchPart part
, IStructuredSelection selection
) {
217 updateReferencingObjects((IdentifiableEntity
) selection
.getFirstElement());
222 public void dispose() {
223 selectionService
.removePostSelectionListener(this);
224 selectionService
.removeSelectionListener(this);
229 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getViewer()
233 public Viewer
getViewer() {
238 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#dirtyStateChanged()
242 public void changed(Object object
) {
243 // no editing in this view
247 * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#onComplete()
251 public boolean onComplete() {